<template>
  <div id="loading">
      <h1>这是选项式API风格</h1>
      <div class="box">
        <div class="v-html" v-html="loading[index]" v-show="isHtml"></div>
        <div class="v-text" v-text="loading[index]" v-show="!isHtml"></div>
        <div></div>
      </div>
      <div class="btn">
        <div class="change-btn" @click='changeShow'>{{isHtml ? "查看源码" : "查看示例"}}</div>
        <div class="loading-btn">
          <div class="loading-btn-item" @click="index=0">1</div>
          <div class="loading-btn-item" @click="index=1">2</div>
          <div class="loading-btn-item" @click="index=2">3</div>
        </div>
      </div>
    </div>
  </template>
  <script>
  import "../assets/css/loading.css"
  export default{
      name:'Loading',
      props:{},
        data() {
          return {
            loading: [`<div class="sk-chase">
                      <div class="sk-chase-dot"></div>
                      <div class="sk-chase-dot"></div>
                      <div class="sk-chase-dot"></div>
                      <div class="sk-chase-dot"></div>
                      <div class="sk-chase-dot"></div>
                      <div class="sk-chase-dot"></div>
                    </div>`,
              `<div class="spinner">
                      <div class="rect1"></div>
                      <div class="rect2"></div>
                      <div class="rect3"></div>
                      <div class="rect4"></div>
                      <div class="rect5"></div>
                    </div>`,
              `<div class="sk-cube-grid">
                      <div class="sk-cube sk-cube1"></div>
                      <div class="sk-cube sk-cube2"></div>
                      <div class="sk-cube sk-cube3"></div>
                      <div class="sk-cube sk-cube4"></div>
                      <div class="sk-cube sk-cube5"></div>
                      <div class="sk-cube sk-cube6"></div>
                      <div class="sk-cube sk-cube7"></div>
                      <div class="sk-cube sk-cube8"></div>
                      <div class="sk-cube sk-cube9"></div>
                    </div>`],
            isHtml: true,
            index: 0
          }
        },
        methods: {
          changeShow() {
            this.isHtml= !this.isHtml;
          }
        }
      };
      
  
  </script>
  <style>
  body {
        margin: 0;
        padding: 0;
      }
      #loading {
        width: 100%;
        height: 100vh;
        background: linear-gradient(to right, #7474bf, #348ac7);
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        color: #FFF;
      }
      .box {
        width: 400px;
        height: 350px;
        display: flex;
        justify-content: center;
        align-items: center;
      }
      .box .v-text {
        width: 100%;
        height: 100%;
      }
      .btn {
        width: 200px;
        height: 150px;
        margin-top: 10px;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        align-items: center;
        user-select: none;
      }
      .btn .loading-btn {
        width: 100%;
        display: flex;
        justify-content: space-between;
      }
      .btn .loading-btn .loading-btn-item {
        width: 35px;
        height: 35px;
        background: rgba(0, 0, 0, 0.2);
        border-radius: 50%;
        text-align: center;
        line-height: 35px;
        cursor: pointer;
      }
      .btn .change-btn {
        width: 100px;
        height: 30px;
        line-height: 30px;
        text-align: center;
        background-color: rgba(0, 0, 0, 0.2);
        cursor: pointer;
        border-radius: 20px;
        font-size: 13px;
        letter-spacing: 2px;
      }
  </style>